Help. My bro and I have a 76 Torino which will not upshift. We have
got 1st and reverse but nothing else. The box has had a new modulator
and vacuum line also we have checked out the governor, band servos,
etc. Have changed fluid and pickup filter. Box is nice and clean
inside with no debris. Thought it might be a stuck valve in the
Any ideas would be welcome, thanks.
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Drop the valvebody,
Disassemble it, and work the spool valves by hand. If any fail to
snap back to place / budge from their current spot, take that valve
out ,clean the hell out of it, and reinstall it.
It definitely sounds like either stuck/dirty valves, or a failed
valvebody gasket, or worst of all, a cracked tranny case.
How did you check the governor? When you changed the modulator did you make sure
the valve moves? Have you checked line presure?
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